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系統識別號 U0026-0908201115245000
論文名稱(中文) 對稱型壓電致動器應用於陣列式微型光源追蹤系統之研製
論文名稱(英文) A Innovation Miniature Light Source Tracking System Using Symmetric Piezoelectric Actuators Array
校院名稱 成功大學
系所名稱(中) 系統及船舶機電工程學系
系所名稱(英) Department of Systems and Naval Mechatronic Engineering
學年度 99
學期 2
出版年 100
研究生(中文) 蔡品群
研究生(英文) Pin-Chun Tsai
電子信箱 itttikimo@hotmail.com
學號 p16981144
學位類別 碩士
語文別 中文
論文頁數 76頁
口試委員 口試委員-黃明志
口試委員-張祥傑
口試委員-李大青
指導教授-沈聖智
中文關鍵字 壓電元件  多軸度壓電致動器  光源感測器 
英文關鍵字 Piezoelectric element  Multi-DOF actuator  Light-tracking system  Electronic sundial module 
學科別分類
中文摘要 本論文目的在於以多軸度壓電致動平台搭配新型電子日晷模組設計2×2陣列式微型光源追蹤系統,在多軸度致動平台設計上,本研究整合對稱壓電元件(symmetric piezoelectric element ,SPE)的二種不同運動模態,設計一簡單結構、體積小且可載動聚光模組,以收集最大之太陽光能量,其結構包括二片相互平行的對稱型壓電元件、滾珠基座、微型推動扣件(microdriving Parts)與聚光模組。在電子日晷模組設計方面,採用CMOS影像感測晶片、桿件與濾光鏡,設計一大收光角度(field of view)、靈敏度高之電子日晷模組。最後,本論文整合三組多軸度壓電致動平台、一組電子日晷模組及利用LabVIEW軟體設計光源追蹤軌跡控制器與驅動電路,建構2×2陣列式微型光源追蹤系統。由實驗成果驗證,當切換對稱型壓電元件於不同的振動模態時,可使SPE推動聚光模組於雙軸轉動。當2×2陣列式微型光源追蹤系統於驅動電壓為30Vpp時,聚光模組在本論文之X與Z軸的最小轉動角度分別達到X軸為0.022゜與Z軸為0.007゜。最後本研究完成2×2陣列式微型光源追蹤系統,並成功運用於能源獵取之相關產品領域。



關鍵字:壓電元件、多軸度壓電致動器、光源感測器。
英文摘要 A miniature 2×2 light-tracking system by combining multi-DOF piezoelectric actuators with a novel electronic sundial module has been designed and fabricated. The multi-DOF piezoelectric actuator is composed of two parallel symmetric piezoelectric elements (SPE), ball-bearing bases, microdriving parts, and light concentrators. Two vibration modes of SPE are used to design a simple and small-size structure which is capable of carrying light concentrators. In terms of electronic sundial module, the thesis use CMOS image sensors, filters, and sticks to build a wide field-of-view (FOV) and high sensitive electronic sundial module. By putting four multi-DOF piezoelectric actuators and an electronic sundial module together to build 2×2 light-tracking array system. The software LabVIEW is used for light-tracking controller algorithm and driving circuit. The experiment demonstrated the multi-DOF piezoelectric actuator is driven by different modes and then push the concentrators rotate around the X axis or Z axis. When applying 30Vpp on a multi-DOF piezoelectric actuator, who carries the light concentrator rotating around X and Z axes and the rotating accuracy of 0.022゜and 0.007゜, respectively. Finally, this thesis accomplishes the miniature 2×2 light-tracking array system, and applying for energy harvest successfully.


Keywords: Piezoelectric element, Multi-DOF actuator, Light-tracking system, Electronic sundial module
論文目次 摘要 I
Abstract II
誌謝 III
目錄 IV
圖目錄 VII
表目錄 X
第一章 緒論 1
1.1前言與動機 1
1.2研究方法與論文架構 3
第二章 文獻探討 5
2.1 多軸度壓電致動器 7
2.1.1 環型接觸多軸度微型致動器 8
2.1.2 點接觸多軸度微型致動器 11
2.2 光源感測器 13
2.2.1 光電感測器 14
2.2.2 影像感測器 16
第三章 陣列式光源追蹤機構之設計與分析 19
3.1 SPE元件設計與分析 19
3.1.1 SPE元件模擬分析 19
3.1.2 SPE驅動原理分析 21
3.1.3 SPE致動器設計與分析 23
3.1.4 SPE元件運動軌跡分析 25
3.2 多軸度微型致動平台設計 29
3.2.1 結構優化設計 30
3.2.2 驅動原理 32
3.2.3 聚光模組設計 35
3.3 光源追蹤驅動電路 37
3.4 電子日晷模組設計 39
3.5 陣列式光源追蹤系統 41
第四章 光源追蹤程式架構 43
4.1 影像前處理技術 44
4.2 軌跡演算法則設計 45
4.3 光源追蹤系統之致動分析 48
第五章實驗量測與結果討論 50
5.1 SPE之特性量測 50
5.1.1 SPE之量測設備 50
5.1.2 共振頻率量測 52
5.1.3 表面振幅量測 54
5.2 聚光模組轉動之特性量測 56
5.2.1 轉動角度量測設備之建置 56
5.2.2 聚光模組特性量測 57
5.3 陣列式光源追蹤系統之特性量測 59
5.3.1 最小精度量測 60
5.3.2 同步性量測 61
5.4 陣列式光源追蹤系統評估 63
5.4.1 光源追蹤實驗設備之建置 63
5.4.2 感測器最小角度量測 64
5.4.3 陣列式系統評估 65
第六章 結論與未來工作 66
6.1 結論 66
6.2 未來工作 67
參考文獻 68
附錄A 壓電彈性體之二維駐波 72
附錄B PZT-4材料係數 75
作者自述 76
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